1.自定义过滤器属性
public class NoCacheAttribute : FilterAttribute, IActionFilter
{
public void OnActionExecuted(ActionExecutedContext filterContext)
{
//设置浏览器缓存
filterContext.HttpContext.Response.Cache.SetCacheability(HttpCacheability.NoCache);
//设置接口跨域
filterContext.HttpContext.Response.AddHeader("Access-Control-Allow-Origin","*");
}
public void OnActionExecuting(ActionExecutingContext filterContext)
{
}
}
或者
context.Response.ClearHeaders();
context.Response.AppendHeader("Access-Control-Allow-Origin","*");
string requestHeaders = context.Request.Headers["Access-Control-Request-Headers"];
context.Response.AppendHeader("Access-Control-Allow-Headers",
string.IsNullOrEmpty(requestHeaders) ? "*" : requestHeaders);
context.Response.AppendHeader("Access-Control-Allow-Methods", "POST, OPTIONS");
2.web.config文件里配置
<system.webServer>
<httpProtocol>
<customHeaders>
<add name="Access-Control-Allow-Methods" value="OPTIONS,POST,GET"/>
<add name="Access-Control-Allow-Headers" value="x-requested-with"/>
<add name="Access-Control-Allow-Origin" value="*" />
</customHeaders>
</httpProtocol>
</system.webServer>